.root-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.root-container > div:first-child {
    width: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-right: #535bf2 1px solid;
}

.root-container > div:last-child {
    flex-grow: 1;
}